Kediss, Emberclaw Familiar is a uncommon Legendary Creature — Elemental Lizard card from Commander Legends (CMR), collector number 188. Current market price: $5.16 (foil $11.44), TCGplayer market prices via Scryfall.
Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.)